简体中文 (Simplified Chinese)
繁體中文 (Traditional Chinese)
Help us translate Steam
Community maps. For science.
Welcome to Aperture Laboratories, home of the Perpetual Testing Initiative. Easily create, share and play test chambers authored by and for the Portal 2 community. Do your part! Contribute to Science!
Top Rated All Time
Show items tagged with all of the selected terms:
Some items are not possible to include in the game. You can still find them if you select this box.
Show incompatible items
Showing 37-54 of 4,727 entries
Portal 2 - Left4Dead Edition
A ongoing collection of L4D inspired puzzle chambers. Anyone who has played Left4Dead or Left4Dead2 will tell you that they often have to carry their team. It is no different in here. Work with your teammates in your struggle to make it to the safeho...
Maps for fun. That means they provide either no puzzles or just very easy ones.
Testing is the future - Map Pack
'Testing is the future' is a map pack where you explore a decayed Aperture Science and start testing as you go deeper into the facility. The pack includes three maps. Since the map pack has some story, I recommend you to play the maps in order. To i...
This Collection includes all maps of the Sunbury Chambers series. The name of these chambers is originating from the Mapper's home town in Australia. The Series includes COOP and Single-Player maps. All maps having PeTI in the brackets had been created...
The Life of Turret Cube - All Maps Collection 2013
This is a collection of my famous and non-famous maps of 2013! When its a new year (2014) i will not post maps on this collection no longer, When its Christmas of 2014 i will make a new collection for my maps that i have made in 2014 (The Life of Turret C...
Portal Era : The Adventure
La Petite Magicienne
Hammer Adventure Final Version -- Medium Difficulty -- 1h - 2h - Autosave =============== Story =============== Place : Aperture Center Year : Unknown You wake up in a strange room, without portalgun. Try to escape this place and find a way to the...
Without Portalgun Collection
This mappack was designed to prove to you that maps without portalgun can be interesting and even original. You should push buttons to open portals. And there are some original puzzles. There are easy and not so easy puzzles. So, get ready to think with p...
Stasis Map Pack
Somewhere in the bowels of Aperture, lies houndreds of test subjects, waiting for their entire life to be awaken to do some science.
Left 2 Test
Made in Hammer. Custom files added with VIDE. Story: Set between the events of Portal and Portal 2, you are Lazarus Grey, one of the subjects who survived GLaDOS' destruction. You are forced to navigate the abandoned facilites of Aperture and find an ...
Somewhere in the multiverse, two intertwined Aperture Science labs have invented a way to link universes together. With the 1.21-Gigawatt Aperture Science Multi-Dimensional Multi-Generator, the test subject now has the ability to solve tests that span acr...
A series of five difficult levels. If you are looking for instant gratification, leave now. Compliments and criticism are appreciated. Use Quicksave/Quickload with care. Average expected playthrough time: 3 to 6 hours. Average test completion succe...
A series of concept test chambers centered around the periodic table of elements. Each room themed, in title, description and design, on a chemical element. Don't forget your goggles and lab coat, and remember, safety first!
Three medium to very difficult co-op testing spheres focusing on fizzlers and how they are the bane of your robot existence. No strict timing or advanced/ninja techniques are required. This was made for the 2011 Thinking With Portals Summer Mapping Compe...
The "D S.E.R.I.E.S." is a collection of beginner to medium difficulty test chambers. "S.E.R.I.E.S" is the acronymm of : Short, Extendable and Rapturous Introduction to Experimental Self-improvement. If you want to relax in simple and fun maps, you'r...
A Portal 2 Single player modification. This is Aperture from Portal 1, completely rebuilt from memory and with a my own spin on design and puzzles. I will be using the workshop for public testing, so feel free to add me for feedback, or just leave co...
Mari0 Portal (stabyourself.net/mari0) is a Mario game with Portal physics. I made these maps closest as possible to Mari0's Portal levels considering the Perpetual Testing Initiative limitations. This was the first collection to appear in Workshop, bu...
10 Reasons for Reassembly
Difficulty: Medium/Hard Theme: Destruction Estimated Playtime: ~3 hours Hello dear testsubjects! 10 cooperative testchambers signing in, I hope you you'll enjoy and as always try to give me any thought about the maps in return, it makes difference...
The Cake Chronicles
9 Chapters, where each chapter has a different method of solution. I tried to keep the puzzle style of the singleplayer. Difficulty: easy/medium.
© Valve Corporation. All rights reserved. All trademarks are property of their respective owners in the US and other countries.
Some geospatial data on this website is provided by
Steam Subscriber Agreement